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Head Neck Oncology Glossary

100 terms total — 24 showing — Last updated 15 Sep 2026

sentinel lymph node biopsy

Professional Technical IVT

Surgical technique to identify and remove the first lymph node draining a tumor site.

Showing 1–24 of 100

adenoid cystic carcinoma

Professional Technical IVT

A malignant salivary gland tumor known for perineural invasion and distant metastases.

Technical Term Full entry →

adenoidectomy

Intermediate Technical IVT

Surgical removal of adenoids, often performed in pediatric head and neck oncology cases.

Technical Term Full entry →

adjuvant therapy

Intermediate Technical IVT

Additional treatment given after primary surgery to reduce recurrence risk.

Technical Term Full entry →

anterolateral thigh flap

Professional Technical IVT

A microvascular free flap harvested from the lateral thigh used for reconstruction of head and neck defects.

Technical Term Full entry →

aryepiglottic fold

Intermediate Technical IVT

Mucosal fold extending from the arytenoid cartilage to the epiglottis, forming the lateral border of the laryngeal inlet...

Technical Term Full entry →

arytenoidectomy

Professional Technical IVT

Surgical removal of the arytenoid cartilage to improve airway caliber in bilateral vocal cord paralysis. Often combined...

Technical Term Full entry →

aspiration pneumonia

Intermediate Technical IVT

Lung infection caused by inhalation of secretions or gastric contents, common after head and neck surgery.

Technical Term Full entry →

brachytherapy

Advanced Technical IVT

Internal radiation therapy using radioactive sources placed directly in or near tumor tissue.

Technical Term Full entry →

carotid blowout syndrome

Professional Technical IVT

Life-threatening rupture of carotid artery, typically in irradiated neck cancer patients.

Medical Emergency Full entry →

cervical lymphadenopathy

Intermediate Technical IVT

Enlargement of lymph nodes in the neck region. May be reactive, inflammatory, or neoplastic in head and neck oncology co...

Technical Term Full entry →

chemoradiation

Intermediate Technical IVT

Combined treatment modality using concurrent chemotherapy and radiation therapy for enhanced tumor control.

Technical Term Full entry →

chyle leak

Intermediate Technical IVT

Post-operative complication involving leakage of lymphatic fluid, typically following neck dissection.

Surgical Complication Full entry →

close surgical margin

Intermediate Technical IVT

Tumor clearance of less than 5mm from the edge of resected tissue.

Technical Term Full entry →

commissurotomy

Professional Technical IVT

Surgical division of the anterior or posterior vocal cord commissure, often for tumor access.

Technical Term Full entry →

composite resection

Intermediate Technical IVT

En bloc surgical removal of primary tumor involving multiple anatomic structures or tissue planes. Often includes combin...

Technical Term Full entry →

cordectomy

Intermediate Technical IVT

Surgical removal of part or all of a vocal cord, typically for early laryngeal cancer.

Technical Term Full entry →

cricohyoid membrane

Intermediate Technical IVT

Fibrous membrane connecting the cricoid cartilage to the hyoid bone. No such structure exists anatomically - common erro...

Style Convention Full entry →

cricothyroid membrane

Intermediate Technical IVT

Fibroelastic membrane between the thyroid and cricoid cartilages, used for emergency airway access.

Anatomical Term Full entry →

cricothyroidotomy

Professional Technical IVT

Emergency surgical airway procedure creating an opening through the cricothyroid membrane.

Technical Term Full entry →

depth of invasion

Professional Technical IVT

Measurement of how deeply tumor extends into underlying tissue from the surface.

Technical Term Full entry →

dysphagia

Intermediate Technical IVT

Difficulty or discomfort in swallowing, a common complication of head and neck cancer treatment.

Technical Term Full entry →

dysphonia

Intermediate Technical IVT

Abnormal voice production characterized by altered vocal quality, pitch, or loudness.

Technical Term Full entry →

ECOG performance status

Professional Technical IVT

Eastern Cooperative Oncology Group scale (0-5) measuring patient functional status and ability to tolerate treatment. Cr...

Technical Term Full entry →

epithelial-myoepithelial carcinoma

Professional Technical IVT

Rare low-grade malignant salivary gland tumor with dual cell population. Characterized by epithelial cells surrounded by...

EMC
Technical Term Full entry →
Showing 1–24 of 100

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